4 maps showing the highest, lowest, and most likely snowfall from Wednesday’s nor’easter

“It's a very dicey call for eastern [Massachusetts].”

A woman walks through the snow as it falls in Boston on Jan. 4, 2018.
–Keith Bedford / The Boston Globe

Central and Western Massachusetts are expected to see the most snow accumulation from the nor’easter hitting the region Wednesday into Thursday, but exactly how much of the white stuff will accumulate in Boston remains uncertain.

The National Weather Service emphasized Wednesday morning that forecasting how much snow accumulation will be seen in Boston and the eastern part of the state was still “tricky.”

“It’s a very dicey call for eastern [Massachusetts],” the service’s Boston branch tweeted. “No doubt many will see snow, but it’s the lower level temps that are key to accumulating (or non-accumulating) snow. There’s going to be a sharp line from little/no snow to several inches of accumulation.”

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As of Wednesday afternoon, interior Massachusetts was largely expected to see 12 to 18 inches of snow from the late-season storm, according to the service.

The service’s forecast tables give Boston a 31 percent chance of getting zero inches of snow Wednesday through Thursday. But on the higher end, forecasters are also giving the city a 17 percent chance of 8 to 12 inches. There’s a two percent chance the city could get hit with over a foot.

Here’s a look at the range of potential outcomes:

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